﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Example67_Sharp
{
    public interface SoSanh
    {
        bool SoSanh(object a);
    }
    public class SoNguyen : SoSanh
    {
        int data;
        public float Data
        {
            get { return data; }
            set { data = value; }
        }
        public SoNguyen(int d)
        {
            data = d;
        }
        public bool SoSanh(object a)
        {
            SoNguyen sv = (SoNguyen)a;
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
        }
    }
}
